Hi,
Did you try to print data inside local listener. As I understand it,
initial query is only when cintinuous query starts, after that, local
listener and remote filter (if provided) play role.
On Tue, Sep 28, 2021, 00:02 Latha Masters <smast...@merkleinc.com> wrote:
> Hi all,
>
>
>
> We’ve run into an issue when using ContinuousQuery and hoping someone can
> help provide some insight.
>
>
>
> 1 ContinuousQuery<K, V> query = new ContinuousQuery<>();
>
> 2 query.setLocalListener(listener);
>
> 3 query.setInitialQuery(new ScanQuery<>());
>
> 4 query.setPageSize(updatePageSize);
>
> 5 query.setTimeInterval(updateTimeInterval);
>
> 6 cursor = igniteCache.query(query);
>
> 7
>
> 8 for (Entry<K, V> entry : cursor) {
>
> 9 cache.put(entry.getKey(), entry.getValue());
>
> 10 }
>
>
>
> With the code snippet above, we have verified that the igniteCache has
> data but occasionally the query on line 6 results in an empty cursor.
>
> Our questions:
>
> Is this expected behavior?
>
> Is there some additional configuration step we are missing which could
> lead to inconsistent results from the initialQuery?
>
> Is there a best practice for retrieving results from the initialQuery such
> as retry? We have noticed that if we retry after it fails to get results
> the first time, it will then succeed on a subsequent try with a one-second
> wait time between retries. We didn’t think this should be necessary so
> wondered if there was something we were doing incorrectly.
>
>
>
> Please let me know if any additional information/logs are needed and thank
> you for your help!
>
> Latha
> Latha Masters
> Lead Software Engineer
> Office: *+1 (434) 270-7713* <+1%20(434)%20270-7713>
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